Note O - Income Taxes - Provision for Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Federal	$ 0	$ 0	$ 0
State	2	1	1
Foreign	0	8	0
Total	2	9	1
Federal	0	0	0
State	0	0	0
Foreign	0	0	0
Total	0	0	0
Income tax (benefit) expense	$ 2	$ 9	$ 1